/*
 * Vulcan Build Manager
 * Copyright (C) 2005-2012 Chris Eldredge
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
package net.sourceforge.vulcan.web.sitemesh;

import java.io.IOException;


import com.opensymphony.module.sitemesh.Page;
import com.opensymphony.module.sitemesh.PageParser;

/**
 * Wrapper of FastPageParser which strips xml header from document. 
 */
public final class FastPageParser implements PageParser
{
	final com.opensymphony.module.sitemesh.parser.FastPageParser delegate
			= new com.opensymphony.module.sitemesh.parser.FastPageParser();
	
	public Page parse(char[] data) throws IOException {
		return delegate.parse(stripXmlHeader(data));
	}

	private char[] stripXmlHeader(char[] data) {
		final String string = new String(data);
		
		final int index = string.indexOf("?>");
		
		if (index >= 0) {
			return string.substring(index + 2).toCharArray();
		}
		
		return data;
	}
}
